Tim Maddison is an accredited expert guide. Maddison completed the Sotheby's Works of Art Course after university, before spending the next five years working at Sotheby's and Phillips Bond Street, surrounded by an ever-changing carousel of treasures. This embedded a love for works of art, exhibitions and galleries. Maddison then went on to work as a dealer in vintage film posters, Americana and Art Deco, before opening London's first public gallery for vintage film and music posters. In his youth his favourite painting at the National Gallery was, 'The Family of Darius before Alexander', and he never imagined that decades later he would have the privilege of sharing its delights and that of so many other favourites with visitors.